README.md in rubocop-ruby2_6-2.0.3 vs README.md in rubocop-ruby2_6-2.0.4

@@ -363,10 +363,10 @@
 the [Pessimistic Version Constraint][pvc] with two digits of precision.
 
 For example:
 
 ```ruby
-spec.add_dependency "rubocop-ruby2_6", "~> 2.0"
+spec.add_dependency("rubocop-ruby2_6", "~> 2.0")
 ```
 
 [aboutme]: https://about.me/peter.boling
 [actions]: https://github.com/rubocop-lts/rubocop-ruby2_6/actions
 [angelme]: https://angel.co/peter-boling